Buried in the Laos jungle is a sanctuary for bears that would have otherwise been milked to death by poachers.

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

Twelve natural mummies are displayed in the crypt of this former monastery school.

A church dedicated to the Mexican skeleton saint.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Part bookstore, part café, and part forest.

These azure waters were thought to lead to the Mayan Underworld.

The name of the only golden Buddhist temple in Korea translates as "the temple that protects the country."

Secret North Korean passage discovered below the world's most dangerous border.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

You can row a boat through this ancient underground reservoir.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

The only ancient owl carving found east of the Mississippi.

The largest monastery in Singapore is home to a crematorium, a college, and one of Asia’s largest indoor Buddha statues.

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

One man's lifetime collection of tiny objects of wisdom gathered from around the world, on display for public enjoyment.

To enter the lower hall of this temple, you must first walk through a dragon.

The busy transport hub is home to the tallest airport slide in the world.

Billed as the "largest natural flower garden in the world" this Middle Eastern show field has little competition at 45 million flowers.

A 32-acre fun park dedicated to all things cheese.

A 1,500-year-old, 3-story subterranean city where ancient Persians took refuge in times of war.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.